TLL

TLL may refer to:

• Lennart Meri Tallinn Airport, Estonia (IATA airport code)
• Tetela language of the Democratic Republic of the Congo (ISO 639-3 code: tll)
• Terra Lliure, a Catalan nationalist paramilitary group
• The Linda Lindas, American rock band
• Thesaurus Linguae Latinae, a Latin dictionary
• Tornado Low Level, a ZX Spectrum game
• Super Mario Bros.: The Lost Levels, 1986 Super Mario game

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